Alert archive / Kansas / Sedgwick County

Weather alerts in Sedgwick County, Kansas, 2009

245 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Sedgwick County and its neighbors

Each county as a circle sized by its count in 2009. Tap one for its archive.

Alerts
245
Warnings
97
Watches
41
Advisories
41
Busiest month
April52 alerts
Busiest day
April 26, 200916 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

1 of 6 tornado warnings covering Sedgwick County in 2009 had a tornado report inside them; 6 of 6 tornado reports fell inside a warning, on average 10 minutes after it went out.

Sedgwick County, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings6183%6100%10 min
Severe thunderstorm warnings473330%6977%28 min
Flash flood warnings330%1292%190 min

Each office's whole area, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Wichita, KS: tornado warnings611575%3580%12 min
NWS Wichita, KS: severe thunderstorm warnings37920147%58177%26 min
NWS Wichita, KS: flash flood warnings292417%7492%158 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 2, 9:01 PM CSTDense Fog AdvisoryICT13 hr
Jan 9, 3:26 AM CSTWind AdvisoryICT20 hr
Jan 11, 3:39 PM CSTWind AdvisoryICT30 hr
Jan 12, 3:08 AM CSTRed Flag WarningICT15 hr
Jan 26, 3:53 AM CSTWinter Weather AdvisoryICT36 hr
Jan 30, 3:14 PM CSTFire Weather WatchICT12 hr
Jan 31, 2:53 AM CSTRed Flag WarningICT15 hr
Feb 5, 2:59 PM CSTFire Weather WatchICT13 hr
Feb 6, 3:47 AM CSTWind AdvisoryICT14 hr
Feb 6, 3:54 AM CSTRed Flag WarningICT14 hr
Feb 8, 4:12 AM CSTFire Weather WatchICT23 hr
Feb 8, 3:38 PM CSTWind AdvisoryICT26 hr
Feb 9, 3:10 AM CSTRed Flag WarningICT15 hr
Feb 10, 3:26 PM CSTWind AdvisoryICT17 hr
Feb 13, 10:14 AM CSTWind AdvisoryICT8 hr
Feb 16, 3:13 AM CSTFire Weather WatchICT24 hr
Feb 16, 3:35 PM CSTRed Flag WarningICT26 hr
Feb 17, 2:38 AM CSTWind AdvisoryICT15 hr
Feb 20, 3:39 PM CSTWind AdvisoryICT14 hr
Mar 4, 3:34 AM CSTFire Weather WatchICT12 hr
Mar 4, 3:59 PM CSTRed Flag WarningICT27 hr
Mar 7, 2:32 PM CSTSevere Thunderstorm WatchSPC7 hr
Mar 7, 5:57 PM CSTMesoscale DiscussionSPC2 hr
Mar 7, 6:14 PM CSTSevere Thunderstorm WarningICT25 min
Mar 7, 7:18 PM CSTSevere Thunderstorm WarningICT27 min
Mar 7, 7:42 PM CSTTornado WarningICT33 min
Mar 7, 7:53 PM CSTSevere Thunderstorm WarningICT37 min
Mar 7, 8:15 PM CSTSevere Thunderstorm WarningICT22 min
Mar 7, 8:27 PM CSTMesoscale DiscussionSPC2 hr
Mar 7, 9:51 PM CSTSevere Thunderstorm WatchSPC4 hr
Mar 7, 11:11 PM CSTSevere Thunderstorm WarningICT23 min
Mar 12, 10:12 PM CDTWinter Weather AdvisoryICT7 hr
Mar 20, 10:01 PM CDTMesoscale DiscussionSPC89 min
Mar 21, 1:14 PM CDTWind AdvisoryICT31 hr
Mar 22, 3:27 AM CDTFire Weather WatchICT24 hr
Mar 22, 3:27 AM CDTRed Flag WarningICT17 hr
Mar 22, 3:25 PM CDTWind AdvisoryICT36 hr
Mar 23, 3:34 AM CDTRed Flag WarningICT16 hr
Mar 23, 10:32 AM CDTHigh Wind WarningICT8 hr
Mar 23, 12:39 PM CDTMesoscale DiscussionSPC96 min
Mar 23, 1:03 PM CDTTornado WatchSPC6 hr
Mar 23, 3:11 PM CDTMesoscale DiscussionSPC94 min
Mar 23, 5:08 PM CDTMesoscale DiscussionSPC97 min
Mar 23, 6:47 PM CDTTornado WatchSPC5 hr
Mar 23, 11:09 PM CDTMesoscale DiscussionSPC66 min
Mar 23, 11:35 PM CDTMesoscale DiscussionSPC115 min
Mar 23, 11:43 PM CDTSevere Thunderstorm WatchSPC5 hr
Mar 24, 12:01 AM CDTSevere Thunderstorm WarningICT26 min
Mar 24, 6:32 AM CDTWind AdvisoryICT12 hr
Mar 25, 3:02 PM CDTWinter Storm WatchICT46 hr
Mar 26, 3:47 PM CDTBlizzard WarningICT47 hr
Mar 27, 8:04 AM CDTMesoscale DiscussionSPC4 hr
Mar 27, 12:30 PM CDTMesoscale DiscussionSPC6 hr
Mar 27, 7:12 PM CDTMesoscale DiscussionSPC4 hr
Mar 27, 10:59 PM CDTMesoscale DiscussionSPC4 hr
Mar 28, 2:18 AM CDTMesoscale DiscussionSPC6 hr
Mar 30, 5:18 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 30, 7:40 PM CDTMesoscale DiscussionSPC2 hr
Apr 1, 3:19 AM CDTWind AdvisoryICT31 hr
Apr 1, 10:47 AM CDTWind AdvisoryICT5 hr
Apr 3, 4:27 PM CDTWind AdvisoryICT52 hr
Apr 4, 3:46 AM CDTRed Flag WarningICT17 hr
Apr 4, 11:42 AM CDTHigh Wind WarningICT7 hr
Apr 9, 10:27 AM CDTWind AdvisoryICT15 hr
Apr 9, 12:57 PM CDTMesoscale DiscussionSPC63 min
Apr 9, 4:14 PM CDTSevere Thunderstorm WarningICT31 min
Apr 9, 4:30 PM CDTMesoscale DiscussionSPC60 min
Apr 9, 4:53 PM CDTTornado WatchSPC100 min
Apr 9, 6:14 PM CDTMesoscale DiscussionSPC61 min
Apr 18, 2:49 PM CDTMesoscale DiscussionSPC86 min
Apr 18, 3:26 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 18, 7:13 PM CDTMesoscale DiscussionSPC62 min
Apr 18, 10:54 PM CDTAreal Flood WarningICT5 hr
Apr 23, 1:13 AM CDTSevere Thunderstorm WarningICT62 min
Apr 23, 4:02 PM CDTWind AdvisoryICT27 hr
Apr 25, 1:23 PM CDTMesoscale DiscussionSPC3 hr
Apr 25, 3:28 PM CDTFlood WatchICT44 hr
Apr 25, 3:36 PM CDTTornado WatchSPC7 hr
Apr 25, 3:49 PM CDTMesoscale DiscussionSPC116 min
Apr 25, 5:18 PM CDTSevere Thunderstorm WarningICT57 min
Apr 25, 6:15 PM CDTSevere Thunderstorm WarningICT32 min
Apr 25, 6:38 PM CDTMesoscale DiscussionSPC2 hr
Apr 25, 9:58 PM CDTMesoscale DiscussionSPC92 min
Apr 25, 11:46 PM CDTHigh Wind WarningICT3 hr
Apr 26, 10:19 AM CDTMesoscale DiscussionSPC56 min
Apr 26, 10:54 AM CDTMesoscale DiscussionSPC66 min
Apr 26, 11:07 AM CDTTornado Watch PDSSPC7 hr
Apr 26, 2:19 PM CDTWind AdvisoryICT6 hr
Apr 26, 2:41 PM CDTMesoscale DiscussionSPC3 hr
Apr 26, 3:31 PM CDTTornado WarningICT44 min
Apr 26, 3:39 PM CDTAreal Flood WarningICT3 hr
Apr 26, 5:44 PM CDTMesoscale DiscussionSPC61 min
Apr 26, 5:46 PM CDTTornado WarningICT44 min
Apr 26, 6:16 PM CDTTornado WarningICT27 min
Apr 26, 6:16 PM CDTTornado Watch PDSSPC8 hr
Apr 26, 6:23 PM CDTSevere Thunderstorm WarningICT53 min
Apr 26, 6:26 PM CDTAreal Flood WarningICT6 hr
Apr 26, 6:59 PM CDTFlash Flood WarningICT6 hr
Apr 26, 8:42 PM CDTMesoscale DiscussionSPC2 hr
Apr 26, 9:12 PM CDTRiver Flood WarningICT48 hr
Apr 26, 9:15 PM CDTRiver Flood WarningICT6 hr
Apr 26, 9:19 PM CDTRiver Flood WarningICT42 hr
Apr 26, 9:19 PM CDTRiver Flood WarningICT49 hr
Apr 26, 10:08 PM CDTSevere Thunderstorm WarningICT22 min
Apr 27, 12:59 AM CDTFlash Flood WarningICT4 hr
Apr 27, 3:11 AM CDTRiver Flood WarningICT31 hr
Apr 27, 4:28 AM CDTAreal Flood WarningICT6 hr
Apr 27, 9:39 AM CDTAreal Flood WarningICT9 hr
Apr 27, 9:03 PM CDTRiver Flood WarningICT7 hr
Apr 29, 3:11 AM CDTFlash Flood WatchICT4 days
May 7, 10:53 PM CDTMesoscale DiscussionSPC2 hr
May 8, 12:02 AM CDTSevere Thunderstorm Watch PDSSPC8 hr
May 8, 2:50 AM CDTMesoscale DiscussionSPC55 min
May 8, 3:57 AM CDTSevere Thunderstorm WarningICT63 min
May 8, 4:31 AM CDTMesoscale DiscussionSPC59 min
May 8, 4:38 AM CDTSevere Thunderstorm WarningICT37 min
May 11, 3:46 AM CDTDense Fog AdvisoryICT5 hr
May 12, 9:10 AM CDTMesoscale DiscussionSPC65 min
May 13, 3:21 PM CDTMesoscale DiscussionSPC84 min
May 15, 2:44 PM CDTMesoscale DiscussionSPC31 min
May 15, 3:02 PM CDTTornado WatchSPC7 hr
May 15, 3:29 PM CDTFlood WatchICT8 hr
May 15, 4:43 PM CDTSevere Thunderstorm WarningICT47 min
May 15, 4:49 PM CDTTornado WarningICT41 min
May 15, 4:52 PM CDTSevere Thunderstorm WarningICT53 min
May 15, 5:28 PM CDTTornado WarningICT47 min
May 15, 5:52 PM CDTMesoscale DiscussionSPC53 min
May 15, 6:12 PM CDTSevere Thunderstorm WarningICT48 min
May 15, 6:25 PM CDTAreal Flood WarningICT4 hr
Jun 2, 3:20 AM CDTFlood WatchICT20 hr
Jun 7, 4:13 PM CDTMesoscale DiscussionSPC62 min
Jun 7, 5:07 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 7, 6:38 PM CDTSevere Thunderstorm WarningICT63 min
Jun 7, 7:04 PM CDTSevere Thunderstorm WarningICT56 min
Jun 7, 7:08 PM CDTMesoscale DiscussionSPC67 min
Jun 7, 9:14 PM CDTSevere Thunderstorm WarningICT42 min
Jun 7, 9:53 PM CDTSevere Thunderstorm WarningICT52 min
Jun 7, 11:31 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 7, 11:39 PM CDTSevere Thunderstorm WarningICT66 min
Jun 8, 12:26 AM CDTSevere Thunderstorm WarningICT49 min
Jun 9, 1:34 PM CDTMesoscale DiscussionSPC86 min
Jun 9, 2:34 PM CDTTornado WatchSPC7 hr
Jun 9, 6:22 PM CDTMesoscale DiscussionSPC53 min
Jun 12, 2:04 AM CDTSevere Thunderstorm WatchSPC6 hr
Jun 12, 6:23 AM CDTMesoscale DiscussionSPC67 min
Jun 13, 10:18 PM CDTMesoscale DiscussionSPC57 min
Jun 13, 11:59 PM CDTMesoscale DiscussionSPC91 min
Jun 15, 3:51 PM CDTFlash Flood WatchICT15 hr
Jun 15, 5:04 PM CDTMesoscale DiscussionSPC86 min
Jun 15, 5:34 PM CDTSevere Thunderstorm WarningICT56 min
Jun 15, 6:01 PM CDTTornado WatchSPC6 hr
Jun 15, 7:33 PM CDTMesoscale DiscussionSPC87 min
Jun 15, 7:51 PM CDTSevere Thunderstorm WarningICT54 min
Jun 15, 7:54 PM CDTSevere Thunderstorm WarningICT66 min
Jun 15, 8:20 PM CDTSevere Thunderstorm WarningICT55 min
Jun 15, 8:27 PM CDTSevere Thunderstorm WarningICT63 min
Jun 15, 8:54 PM CDTSevere Thunderstorm WarningICT47 min
Jun 15, 9:23 PM CDTAreal Flood WarningICT8 hr
Jun 15, 9:26 PM CDTSevere Thunderstorm WarningICT64 min
Jun 15, 9:32 PM CDTMesoscale DiscussionSPC88 min
Jun 15, 11:12 PM CDTSevere Thunderstorm WarningICT41 min
Jun 15, 11:51 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 16, 1:43 AM CDTMesoscale DiscussionSPC92 min
Jun 16, 4:51 PM CDTMesoscale DiscussionSPC84 min
Jun 16, 8:26 PM CDTSevere Thunderstorm WatchSPC3 hr
Jun 20, 2:13 PM CDTMesoscale DiscussionSPC92 min
Jun 20, 2:35 PM CDTSevere Thunderstorm WarningICT40 min
Jun 22, 3:15 AM CDTHeat AdvisoryICT18 hr
Jun 22, 3:28 PM CDTHeat AdvisoryICT12 hr
Jun 23, 3:25 AM CDTExcessive Heat WarningICT5 days
Jun 27, 2:23 PM CDTMesoscale DiscussionSPC2 hr
Jul 8, 9:11 PM CDTSevere Thunderstorm WarningICT64 min
Jul 8, 9:20 PM CDTAreal Flood WarningICT5 hr
Jul 8, 9:34 PM CDTSevere Thunderstorm WarningICT56 min
Jul 8, 10:01 PM CDTMesoscale DiscussionSPC119 min
Jul 8, 10:06 PM CDTSevere Thunderstorm WarningICT54 min
Jul 8, 10:26 PM CDTSevere Thunderstorm WarningICT64 min
Jul 8, 10:58 PM CDTSevere Thunderstorm WarningICT62 min
Jul 9, 2:26 AM CDTMesoscale DiscussionSPC2 hr
Jul 10, 12:44 AM CDTMesoscale DiscussionSPC31 min
Jul 10, 9:59 AM CDTHeat AdvisoryICT10 hr
Jul 10, 5:40 PM CDTMesoscale DiscussionSPC95 min
Jul 11, 12:32 PM CDTHeat AdvisoryICT7 hr
Jul 12, 4:02 AM CDTExcessive Heat WarningICT65 hr
Jul 13, 1:23 AM CDTMesoscale DiscussionSPC97 min
Jul 13, 11:55 PM CDTMesoscale DiscussionSPC95 min
Jul 14, 7:43 PM CDTSevere Thunderstorm WarningICT44 min
Jul 14, 8:25 PM CDTSevere Thunderstorm WarningICT15 min
Jul 20, 5:53 PM CDTTornado WatchSPC8 hr
Jul 20, 8:26 PM CDTMesoscale DiscussionSPC94 min
Jul 20, 11:27 PM CDTSevere Thunderstorm WarningICT63 min
Jul 20, 11:54 PM CDTAreal Flood WarningICT116 min
Jul 28, 3:14 PM CDTMesoscale DiscussionSPC61 min
Jul 28, 3:32 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 28, 4:01 PM CDTSevere Thunderstorm WarningICT29 min
Jul 28, 4:21 PM CDTSevere Thunderstorm WarningICT39 min
Jul 28, 4:34 PM CDTAreal Flood WarningICT5 hr
Jul 28, 4:52 PM CDTSevere Thunderstorm WarningICT27 min
Aug 10, 2:58 PM CDTMesoscale DiscussionSPC92 min
Aug 15, 5:24 PM CDTMesoscale DiscussionSPC96 min
Aug 15, 6:02 PM CDTAreal Flood WarningICT89 min
Aug 15, 6:05 PM CDTSevere Thunderstorm WarningICT40 min
Aug 15, 7:06 PM CDTSevere Thunderstorm WarningICT49 min
Aug 17, 11:48 AM CDTFlood WatchICT38 hr
Aug 19, 7:11 PM CDTSevere Thunderstorm WatchSPC8 hr
Aug 19, 10:25 PM CDTMesoscale DiscussionSPC95 min
Aug 26, 2:51 PM CDTMesoscale DiscussionSPC84 min
Aug 26, 9:09 PM CDTSevere Thunderstorm WarningICT29 min
Sep 4, 9:48 PM CDTDense Fog AdvisoryICT10 hr
Sep 5, 10:07 PM CDTDense Fog AdvisoryICT12 hr
Sep 8, 4:25 AM CDTAreal Flood WarningICT6 hr
Sep 8, 5:44 AM CDTFlash Flood WarningICT7 hr
Sep 8, 6:10 AM CDTMesoscale DiscussionSPC3 hr
Sep 8, 8:25 AM CDTAreal Flood WarningICT6 hr
Sep 8, 9:09 AM CDTRiver Flood WarningICT47 hr
Sep 8, 1:01 PM CDTAreal Flood WarningICT20 hr
Sep 8, 2:11 PM CDTRiver Flood WarningICT2 hr
Sep 8, 2:11 PM CDTRiver Flood WarningICT7 hr
Sep 8, 3:24 PM CDTFlash Flood WatchICT21 hr
Sep 9, 1:35 AM CDTMesoscale DiscussionSPC3 hr
Sep 11, 8:59 AM CDTAreal Flood WarningICT5 hr
Sep 25, 1:32 PM CDTMesoscale DiscussionSPC118 min
Sep 25, 3:36 PM CDTSevere Thunderstorm WarningICT27 min
Sep 25, 11:53 PM CDTDense Fog AdvisoryICT9 hr
Sep 30, 7:31 PM CDTMesoscale DiscussionSPC89 min
Oct 8, 2:51 AM CDTMesoscale DiscussionSPC3 hr
Oct 8, 2:20 PM CDTAreal Flood WarningICT18 hr
Oct 23, 2:14 AM CDTFrost AdvisoryICT31 hr
Oct 30, 2:42 PM CDTFrost AdvisoryICT18 hr
Nov 4, 3:49 AM CSTFrost AdvisoryICT28 hr
Nov 12, 11:15 AM CSTWind AdvisoryICT7 hr
Nov 17, 6:07 AM CSTFreeze WatchICT3 hr
Nov 20, 3:44 PM CSTDense Fog AdvisoryICT15 hr
Nov 22, 8:24 PM CSTDense Fog AdvisoryICT18 hr
Dec 5, 3:50 PM CSTWinter Weather AdvisoryICT31 hr
Dec 7, 4:12 AM CSTWinter Weather AdvisoryICT39 hr
Dec 12, 7:27 PM CSTFreezing Fog AdvisoryICT8 hr
Dec 13, 3:12 AM CSTDense Fog AdvisoryICT10 hr
Dec 21, 4:21 AM CSTBlizzard WatchICT35 hr
Dec 21, 3:00 PM CSTWinter Storm WatchICT38 hr
Dec 23, 4:50 AM CSTBlizzard WatchICT11 hr
Dec 23, 5:25 AM CSTDense Fog AdvisoryICT7 hr
Dec 23, 10:03 AM CSTWinter Storm WarningICT46 hr
Dec 25, 3:31 AM CSTWind AdvisoryICT13 hr
Dec 30, 10:16 AM CSTDense Fog AdvisoryICT2 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20082010

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.